1. Division of Thoracic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan
2. Department of Thoracic Surgery, Hyogo Cancer Center, Akashi, Hyogo 673‑8558, Japan
3. Division of Molecular Medicine and Medical Genetics, Department of Pathology, Kobe University Graduate School of Medicine, Kobe, Hyogo 650‑0017, Japan